[10:28:21 ERROR]: Could not pass event PlayerToggleSneakEvent to PiggyBack v1.7.1-SNAPSHOT
java.lang.NullPointerException: Cannot invoke "org.bukkit.entity.Entity.removePassenger(org.bukkit.entity.Entity)" because the return value of "me.coderky.piggyback.utilities.Stacker.getBeforeTopEntity()" is null
        at me.coderky.piggyback.utilities.Stacker.removeTopFromStack(Stacker.java:100) ~[PiggyBack-1.7.1-SNAPSHOT.jar:?]
        at me.coderky.piggyback.listeners.PlayerToggleSneakListener.onPlayerToggleSneak(PlayerToggleSneakListener.java:19) ~[PiggyBack-1.7.1-SNAPSHOT.jar:?]
        at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor941.execute(Unknown Source) ~[?:?]
        at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:77) ~[?:git-UniverseSpigot-"72525e9"]
        at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:76) ~[?:git-UniverseSpigot-"72525e9"]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[?:git-UniverseSpigot-"72525e9"]
        at io.papermc.paper.plugin.manager.PaperEventManager.callEvent(PaperEventManager.java:76) ~[?:git-UniverseSpigot-"72525e9"]
        at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.callEvent(PaperPluginManagerImpl.java:126) ~[?:git-UniverseSpigot-"72525e9"]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:617) ~[?:git-UniverseSpigot-"72525e9"]
        at net.minecraft.server.network.ServerGamePacketListenerImpl.handlePlayerCommand(ServerGamePacketListenerImpl.java:2553) ~[?:?]
        at net.minecraft.network.protocol.game.ServerboundPlayerCommandPacket.handle(ServerboundPlayerCommandPacket.java:37) ~[?:?]
        at net.minecraft.network.protocol.game.ServerboundPlayerCommandPacket.handle(ServerboundPlayerCommandPacket.java:13) ~[?:?]
        at net.minecraft.network.protocol.PacketUtils.lambda$ensureRunningOnSameThread$0(PacketUtils.java:53) ~[?:?]
        at net.minecraft.server.TickTask.run(TickTask.java:18) ~[?:git-UniverseSpigot-"72525e9"]
        at net.minecraft.util.thread.BlockableEventLoop.doRunTask(BlockableEventLoop.java:148) ~[?:?]
        at net.minecraft.util.thread.ReentrantBlockableEventLoop.doRunTask(ReentrantBlockableEventLoop.java:24) ~[?:?]
        at net.minecraft.server.MinecraftServer.doRunTask(MinecraftServer.java:1474) ~[?:git-UniverseSpigot-"72525e9"]
        at net.minecraft.server.MinecraftServer.d(MinecraftServer.java:196) ~[?:git-UniverseSpigot-"72525e9"]
        at net.minecraft.util.thread.BlockableEventLoop.pollTask(BlockableEventLoop.java:122) ~[?:?]
        at net.minecraft.server.MinecraftServer.pollTaskInternal(MinecraftServer.java:1451) ~[?:git-UniverseSpigot-"72525e9"]
        at net.minecraft.server.MinecraftServer.pollTask(MinecraftServer.java:1379) ~[?:git-UniverseSpigot-"72525e9"]
        at net.minecraft.util.thread.BlockableEventLoop.managedBlock(BlockableEventLoop.java:132) ~[?:?]
        at net.minecraft.server.MinecraftServer.waitUntilNextTick(MinecraftServer.java:1357) ~[?:git-UniverseSpigot-"72525e9"]
        at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1246) ~[?:git-UniverseSpigot-"72525e9"]
        at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:323) ~[?:git-UniverseSpigot-"72525e9"]
        at java.lang.Thread.run(Thread.java:840) ~[?:?]